Intellimouse Explorer for Bluetooth not detected

I have an Intellimouse Explorer for Bluetooth that is not being detected by windows 7 with service pack1. I am unable to use the additional buttons or scroll wheel. The mouse is connected via microsoft dongle usb bluetooth receiver. The mouse does not connect to the system. The mouse is shows up as a HID-compliant mouse in Device Manager. installed Intellipoint 8.2. Intellipoint shows "No Microsoft USB Mouse Detected." I have uninstalling the Intellipoint software and reinstalled but not change